0.004" Shims | McMaster-Carr

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189 Products

Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Tight-Fit Ring Shims

For a snug fit around a shaft, the ID of these shims is held to a tighter tolerance than other round shims.

Color-Coded Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims, which are color-coded by thickness for easy identification.

Shims for Keyed Shafts

Precisely shaped to fit snugly on keyed shafts, these shims align, level, and space components. Because of their tight fit, they also help components rotate in unison with the shaft.

Slotted Shims

The slot lets you insert, remove, and adjust the shims without disassembling your machinery.

Shim Stock

Cut this stock into custom shapes to fit your application.

Color-Coded Shim Stock

This shim stock is color coded by thickness for easy identification. Cut it into custom shapes to fit your application.

Shim Tape

Level dies, plates, presses, and other machine tools—this shim tape conforms to curves and uneven surfaces.

Adhesive-Back Shim Stock

A durable acrylic adhesive keeps this shim stock from sliding out of place. Cut it into custom shapes to fit your application.

Made-to-Order Shims

Send us a drawing, and we'll cut your custom shim.

Single-Wave Washers

These curved, flexible washers act like springs to compensate for tolerance variations and uneven surfaces.